Mapping Data and Finding Duplicates
In this lesson, data mapping will be disussed along with how to find and remove duplicates in data.
We'll cover the following
Mapping data
As the name suggests, this technique is used to map the values of a Series
or a DataFrame
. The current values in a Series
or a DataFrame
are made equivalent to some other values. Then, the pandas map
function is used to either replace the mapped values or join them together. The map()
function can also be used to fill in the values of new columns.
The following example might make it clear.
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